A chemical engineer is studying the following reaction: CH,(9)+2H,S(9) → CS,(9)+4H,(9) At the temperature the engineer picks, the equilibrium constant K, for this reaction is 45.. The engineer charges ("fills") four reaction vessels with methane and hydrogen sulfide, and lets the reaction begin. He then measures the composition of the mixture inside each vessel from time to time. His first set of measurements are shown in the table below. Predict the changes in the compositions the engineer should expect next time he measures the compositions. reaction vessel expected change in pressure compound pressure CH 9.18 atm O f increase O I decrease O (no change) H,S 0.86 atm O f increase decrease O (no change) cs, O (no change) 2.58 atm O t increase OI decrease H, O (no change) 6.84 atm O f Increase O 1 decrease CH, 10.08 atm O f Increase O I decrease O (no change) H, S 2.67 atm O increase OI decrease O (no change) B cs, O (no change) 1.68 atm O f Increase O į decrease н, 3.23 atm O f increase OI decrease O (no change) CH, 9.63 atm O f increase OI decrease O (no change) H, S 1.77 atm O f increase OĮ decrease O (no change) cs, 2.13 atm O e f Increase O I decrease O (no change) H. 5.02 atm O f increase OĮ decrease O (no change)
A chemical engineer is studying the following reaction: CH,(9)+2H,S(9) → CS,(9)+4H,(9) At the temperature the engineer picks, the equilibrium constant K, for this reaction is 45.. The engineer charges ("fills") four reaction vessels with methane and hydrogen sulfide, and lets the reaction begin. He then measures the composition of the mixture inside each vessel from time to time. His first set of measurements are shown in the table below. Predict the changes in the compositions the engineer should expect next time he measures the compositions. reaction vessel expected change in pressure compound pressure CH 9.18 atm O f increase O I decrease O (no change) H,S 0.86 atm O f increase decrease O (no change) cs, O (no change) 2.58 atm O t increase OI decrease H, O (no change) 6.84 atm O f Increase O 1 decrease CH, 10.08 atm O f Increase O I decrease O (no change) H, S 2.67 atm O increase OI decrease O (no change) B cs, O (no change) 1.68 atm O f Increase O į decrease н, 3.23 atm O f increase OI decrease O (no change) CH, 9.63 atm O f increase OI decrease O (no change) H, S 1.77 atm O f increase OĮ decrease O (no change) cs, 2.13 atm O e f Increase O I decrease O (no change) H. 5.02 atm O f increase OĮ decrease O (no change)
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Transcribed Image Text:A chemical engineer is studying the following reaction:
CH,(g)+2H,S(g) → CS,(g)+4H,(g)
At the temperature the engineer picks, the equilibrium constant K, for this reaction is 45.
The engineer charges ("fills") four reaction vessels with methane and hydrogen sulfide, and lets the reaction begin. He then measures the composition of the
mixture inside each vessel from time to time. His first set of measurements are shown in the table below.
Predict the changes in the compositions the engineer should expect next time he measures the compositions.
reaction
compound
pressure
expected change in pressure
vessel
CH,
9.18 atm
O t increase
OI decrease
O (no change)
H,S
0.86 atm
O t increase
O I decrease
O (no change)
A
cs,
2.58 atm
O t increase
O I decrease
O (no change)
H,
6.84 atım
O f Increase
O I decrease
(no change)
CH,
10.08 atm
O t increase
OI decrease
O (no change)
H, S
2.67 atm
O f increase
OI decrease
O (no change)
B
cs,
1.68 atm
O f Increase
O I decrease
O (no change)
H,
3.23 atm
O t increase
O I decrease
O (no change)
CH.
9.63 atm
O f increase
OI decrease
O (no change)
H, S
1.77 atm
O t Increase
O Į decrease
O (no change)
cs,
2.13 atm
O
↑ Increase
I decrease
O (no change)
H,
5.02 atm
O t increase
OĮ decrease
O (no change)
?
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